Revitalization Act of 2004 (H.R. 4516), which omits the call for the software development center.19 The Senate passed an amended version of H.R. 4516 on October 11, 2004; the House is expected to consider the legislation in late November 2004.20 The House also passed and sent to the Senate the High-Performance Computing Revitalization Act of 2004 (H.R. 4218),21 which amends the High-Performance Computing Act of 1991 and directs the President to establish a program to provide for long-term research on high-performance computing, including the technologies to advance the capacity and capabilities of high-performance computing. It also calls for the Director of the Office of Science and Technology Policy to develop and maintain a roadmap for high-performance computing.

ABOUT THE INTERIM REPORT

An interim report was presented in July 2003, approximately 6 months after the start of the study.22 The report provides a preliminary outline of the state of U.S. supercomputing, the needs of the future, and the factors that will contribute to meeting those needs. The report notes that the United States had the lead, on the June 2003 TOP500 list, in the use and manufacture of supercomputers.23 However, to meet the security and defense needs of our nation and to realize the opportunities to use supercomputing to advance knowledge, progress in supercomputing must continue. An appropriate balance is needed for investments that evolve current supercomputing architectures and software and investments that exploit alternative approaches that may lead to a paradigm shift. Balance is also needed between exploiting cost-effective advances in widely used hardware and software products and developing custom solutions that meet the most demanding needs. Continuity and stability in the government funding of supercomputing appear to be essential to the well-being of supercomputing in the United States.

ORGANIZATION OF THE REPORT

In this report the committee first examines the requirements of different classes of applications and the architecture, software, algorithm, and

19  

See <http://thomas.loc.gov/cgi-bin/bdquery/z?d108:HR04516:>.

20  

See <http://thomas.loc.gov/cgi-bin/query/R?r108:FLD001:S61181>.

21  

See <http://thomas.loc.gov/cgi-bin/query/D?c108:3:./temp/~c108qnbgq9::>.

22  

NRC. 2003. The Future of Supercomputing: An Interim Report. Washington, D.C.: The National Academies Press.

23  

Based on the June 2003 TOP500 list at <http://www.top500.org>.



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